Edit GENERAL
Visual Studio Gallery - lots of addins, some free, some paid -
http://visualstudiogallery.msdn.microsoft.com/en-us/
.NET Framework Uninstall Tool -
Uninstall from Stebner
Edit Async
101 Async Samples -
wischik
Async Home -
async
DevLabs - Inducubation Projects for VS -
devlabs - Reactive Extensions, Debugger Canvas
Debugger Canvas Article -
i-programmer
Forums -
msdn
White Paper on Asynchrony -
microsoft
Edit FREE TRAINING
Beginner Developer Learning Center from Microsoft
free training -
http://msdn.microsoft.com/en-us/beginner/default.aspx
DotNet University
free training -
http://www.dotnet-u.com - Microsoft owned site with full presentation kits (slides, speaker notes, demos, demo scripts, webcast video)
MSDev - partner focused but appears accessible to all - 200 to 400 level courses - variety of topics including visual studio -
http://www.msdev.com/Directory/Search.aspx
Rampup -
http://myrampup.com -Microsoft owned site - free, sequenced online training on a variety of .NET topics